# Distance from Kathmandu (KTM) to Zephyrhills (ZPH)

> 13,655 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,655 km / 8,485 mi / 7,373 nm
- **Estimated flight time**: 17h
- **Heading**: 347° (north northwest)
- **Return heading**: 13° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -9.75h (When it's 11:33 in Kathmandu, it's 01:48 in Zephyrhills)
- **Elevation difference**: 4,300 ft (ZPH is lower than KTM)

## Airports

### [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)

- City: Kathmandu, Nepal
- ICAO: VNKT
- Timezone: Asia/Kathmandu
- Coordinates: 27.700000, 85.360000
- Elevation: 4,390 ft

### [Zephyrhills Municipal Airport (ZPH)](https://www.flightduration.online/airport/zph-zephyrhills-zephyrhills-municipal-airport/1ef266df-41ff-6468-8d86-06bb2780ed98)

- City: Zephyrhills, United States
- ICAO: KZPH
- Timezone: America/New_York
- Coordinates: 28.230000, -82.160000
- Elevation: 90 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 11:33 in Kathmandu, it's 01:48 in Zephyrhills.
With a 9.75-hour time difference, expect significant jet lag.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Zephyrhills Municipal Airport (ZPH)](https://www.flightduration.online/airport/zph-zephyrhills-zephyrhills-municipal-airport/1ef266df-41ff-6468-8d86-06bb2780ed98)
- [Flight duration calculator](/#calculator)